Uninterruptible power supply effective power 2 700 w apparent power 3 000 va outputs 8 x iec 320 c13 1 x iec 320 c19 2 x iec jumpers interfaces rj 45 usb rs 232 nominal voltage 230 v bridging time 7 min output voltage 220 v battery technology lead acid number of batteries 1 battery charging time 3 h protective measures surge protection power failure protection alarm function emergency shutdown operating temperature 0 40 c permitted humidity when in